from typing import Optional

from scrapthechan.parsers.tinyboardlike import TinyboardLikeParser

__all__ = ["FourChanParser"]


class FourChanParser(TinyboardLikeParser):
	"""JSON parser for 4chan.org image board."""

	def __init__(self, board: str, thread: str,
				 skip_posts: Optional[int] = None) -> None:
		super().__init__(board, thread, skip_posts)

	@property
	def imageboard(self) -> str:
		return "4chan.org"

	@property
	def json_thread_url(self) -> str:
		return "https://a.4cdn.org/{board}/thread/{thread}.json"

	@property
	def file_base_url(self) -> str:
		return "https://i.4cdn.org/{board}/{filename}"